All-Wheel Drive
When to Check Lubricant
It is not necessary to regularly check fluid unless you suspect there is a leak or you hear an unusual noise. A fluid loss could indicate a problem. Have it inspected and repaired.
How to Check Lubricant

To get an accurate reading, the vehicle should be on a level surface.
If the level is below the bottom of the filler plug hole, located on the transfer case, you’ll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole.
Use care not to overtighten the plug.
What to Use
To determine what kind of lubricant to use.
See also:
Audio System(s)
Determine which radio your vehicle has and then
read the pages following to familiarize yourself
with its features.
Driving without distraction is a necessity for a
safer driving experience.
By ...
Brake Fluid
The brake master cylinder
reservoir is filled with DOT
3 brake fluid. See Engine
Compartment Overview for the location
of the reservoir.
There are only two reasons why the brake fluid level ...
Navigation
OnStar navigation requires the
Directions and Connections
service plan.
Push to receive directions or
have them sent to the vehicle
navigation screen. Destinations can
also be forwarded to ...
